removed rocm7beta from builds and fixed 7rc build

.github/workflows/build_and_publish.yml

@@ -28,7 +28,7 @@ jobs:
           IN='${{ inputs.backends }}'
 
           if [[ "$IN" == "all" || -z "$IN" ]]; then
-            JSON='["rocm-6.4.2","rocm-6.4.2-rocwmma","rocm-6.4.3","rocm-6.4.3-rocwmma","rocm-7beta","rocm-7rc","rocm-7rc-rocwmma","vulkan-amdvlk","vulkan-radv"]'
+            JSON='["rocm-6.4.2","rocm-6.4.2-rocwmma","rocm-6.4.3","rocm-6.4.3-rocwmma","rocm-7rc","rocm-7rc-rocwmma","vulkan-amdvlk","vulkan-radv"]'
           else
             # Remove spaces and build JSON array from comma list
             IN_CLEAN=$(echo "$IN" | tr -d '[:space:]')

toolboxes/Dockerfile.rocm-7rc

@@ -53,7 +53,6 @@ RUN cmake -S . -B build \
           -DAMDGPU_TARGETS=gfx1151 \
           -DCMAKE_BUILD_TYPE=Release \
           -DLLAMA_HIP_UMA=ON \
-          -DGGML_HIP_ROCWMMA_FATTN=ON \
  && cmake --build build --config Release -- -j$(nproc) \
  && cmake --install build --config Release